import tensorflow as tf 

v1 = tf.Variable(tf.constant(1.0, shape = [1]), name = "v1")
v2 = tf.Variable(tf.constant(2.0, shape = [1]), name = "v2")
reuslt = v1 + v2

init_op = tf.global_variables_initializer()
saver = tf.train.Saver()
with tf.Session() as sess:
	sess.run(init_op)
	saver.save(sess, "./model.ckpt")